Results 71 to 80 of about 1,993,973 (222)

The thermal state of the intergalactic medium 9-12 billion years ago

, 2015
This work presents an investigation of the thermal state of the tenuous gas between galaxies, called the intergalactic medium. It is focused on measuring the temperature evolution of this cosmic gas during the second reionization phase of the Universe ...
Elisa Boera (19009145)
core   +1 more source

A New Limit on Intergalactic Magnetic Fields on Subkiloparsec Scales from Fast Radio Bursts

The Astrophysical Journal Letters, 2023
We use the measured scattering timescales of fast radio bursts (FRBs) from the CHIME catalog to derive an upper limit on the magnetic field on subkiloparsec scales in the intergalactic medium (IGM).
Hamsa Padmanabhan, Abraham Loeb
doaj   +1 more source

Radiative transfer through the intergalactic medium

, 2004
We use a probabilistic method to compute the propagation of an ionization front corresponding to the reionization of the intergalactic medium in a Λ-cold dark matter (ΛCDM) cosmology, including both hydrogen and helium.
Bolton, James, Meiksin, Avery, White, Martin   +2 more
core   +1 more source

The Cosmic Ultraviolet Baryon Survey (CUBS). IX. The Enriched Circumgalactic and Intergalactic Medium Around Star-forming Field Dwarf Galaxies Traced by O vi Absorption

The Astrophysical Journal
The shallow potential wells of star-forming dwarf galaxies make their surrounding circumgalactic and intergalactic medium (CGM/IGM) sensitive laboratories for studying the inflows and outflows thought to regulate galaxy evolution.
Nishant Mishra, Sean D. Johnson, Gwen C. Rudie, Hsiao-Wen Chen, Joop Schaye, Zhijie Qu, Fakhri S. Zahedy, Erin T. Boettcher, Sebastiano Cantalupo, Mandy C. Chen, Claude-André Faucher-Giguére, Jenny E. Greene, Jennifer I-Hsiu Li, Zhuoqi (Will) Liu, Sebastian Lopez, Patrick Petitjean   +15 more
doaj   +1 more source

A Classification Scheme for Quasar Absorption Lines

The Astrophysical Journal
We present a method to classify intergalactic absorption lines and apply it to 10,772 low-redshift systems. The classification gives the number of components (reflecting the kinematics) in four different ionization phases, using detections and ...
Benjamin E. Rosenwasser, Bart P. Wakker, Blair D. Savage   +2 more
doaj   +1 more source

Discovery of Optically Emitting Circumgalactic Nebulae around the Majority of UV-luminous Quasars at Intermediate Redshift

The Astrophysical Journal
We report the discovery of large, ionized, [O ii ]-emitting circumgalactic nebulae around the majority of 30 UV-luminous quasars at z = 0.4–1.4 observed with deep, wide-field integral field spectroscopy with the Multi-Unit Spectroscopy Explorer (MUSE) by
Sean D. Johnson, Zhuoqi (Will) Liu, Jennifer I-Hsiu Li, Joop Schaye, Jenny E. Greene, Sebastiano Cantalupo, Gwen C. Rudie, Zhijie Qu, Hsiao-Wen Chen, Marc Rafelski, Sowgat Muzahid, Mandy C. Chen, Thierry Contini, Wolfram Kollatschny, Nishant Mishra, Patrick Petitjean, Michael Rauch, Fakhri S. Zahedy   +17 more
doaj   +1 more source

Observational Predictions for the Survival of Atomic Hydrogen in Simulated Fornax-like Galaxy Clusters

The Astrophysical Journal
The presence of dense, neutral hydrogen clouds in the hot, diffuse intragroup and intracluster (IC) medium is an important clue to the physical processes controlling the survival of cold gas and sheds light on cosmological baryon flows in massive halos ...
Avinash Chaturvedi, Stephanie Tonnesen, Greg L. Bryan, Gergö Popping, Michael Hilker, Paolo Serra, Shy Genel   +6 more
doaj   +1 more source

MIXING METALS UNDER STRIPPING GALACTIC GASEOUS HALOES: RADIATIVE LOSSES

Odessa Astronomical Publications, 2008
We present two-dimensional numerical model for mixing of metals in the intergalactic medium under stripping of a galactic gaseous halo both in adiabatic and radiative cases.
S. Yu. Dedikov, Yu. A. Shchekinov, E. O. Vasiliev   +2 more
doaj   +1 more source

The Intergalactic Medium

, 2000
About half a million years after the Big Bang, the ever-fading cosmic blackbody radiation cooled below 3000 K and shifted first into the infrared and then into the radio, and the smooth baryonic plasma that filled the Universe became neutral. The Universe then entered a ``dark age'' which persisted until the first cosmic structures collapsed into ...
openaire   +2 more sources

The Temperature Structure of the Warm-Hot Intergalactic Medium

, 2019
We study the temperature structure of the intergalactic medium (IGM) using a large cosmological N-body/ smoothed particle hydrodynamics simulation.
Furlanetto, Steven R., Yoshida, Naoki, Hernquist, Lars   +2 more
core   +1 more source